Graupner Servo HBS 790 BB MG Brushless High Voltage Speed Low Profile Motor Brushless Motor, High Voltage Metal Gearing, Dual Ball Bearing Speed: 0.10 sec/60 @ 4.8 V, 0.08 sec/60 @ 6.0 V, 0.07 sec/60 @ 7.4 V Torque: 62.5 in? Oz (4.5 kg?cm) @ 4.8 V, 84.7 in? Oz (6.1 kg?cm) @ 6.0 V, 97.2 in? Oz (7.0 kg?cm) @ 7.4 V Dimensions: 1.6 x 0.8 x 1.0 in and 1.6 oz., 40 x 20 x 26 mm and 45 g